CN215593387U

CN215593387U - Double-needle sewing machine needle bar switching mechanism with double-skip needle function

Info

Publication number: CN215593387U
Application number: CN202122497844.XU
Authority: CN
Inventors: 陈敏; 李永雄; 严辉
Original assignee: Taizhou Qinghe Precision Machinery Co ltd
Current assignee: Taizhou Qinghe Precision Machinery Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-01-21
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of double-needle sewing machines, in particular to a needle bar switching mechanism of a double-needle sewing machine with a double-jump needle function, which comprises a mounting seat, a plurality of needle rods are arranged in the mounting seat in a sliding way, lock seats are arranged on the surfaces of the needle rods, the surface of the lock seat is rotationally connected with a driving arm, a double-head movable pin is arranged in the mounting seat in a sliding manner, a piston pump is fixedly arranged on the other side surface of the mounting seat, a piston rod is arranged on one side of the piston pump in a transmission way and is driven to stretch by the piston pump, thereby driving the double-head movable pin to slide in the chute on the surface of the mounting seat through the connecting rod to correspond to the upper end of the driving arm, leading the upper end of the driving arm to be contacted with the surface of the pin head of the jumper pin when the lock seat moves and rises, therefore, the lock seat is separated from the two needle bars, and the jumper pin head can be adjusted to be contacted with the driving arm, so that the double-needle jumper mode and the double-needle working mode can be switched at will.

Description

Double-needle sewing machine needle bar switching mechanism with double-skip needle function

Technical Field

The utility model relates to the technical field of double-needle sewing machines, in particular to a needle bar switching mechanism of a double-needle sewing machine with a double-skip needle function.

Background

According to the conventional two-needle sewing machine disclosed in CN201610620094, "when the movable pin is engaged with the upper end of the driving arm, the thread jumping sleeve can be separated from the needle bar" is described in the inside, "but the movable pin in the two-needle sewing machine can only separate a single needle bar at a time, thereby forming single-needle and double-needle switching, and cannot perform double-needle jumping simultaneously, so that the two needles are stopped simultaneously, and therefore, a two-needle sewing machine needle bar switching mechanism having a double-needle jumping function is required to improve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a needle bar switching mechanism of a double-needle sewing machine with a double-jump needle function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a two needle sewing machine needle bar switching mechanism with two skip needle functions, includes the mount pad, the inside slidable mounting of mount pad is equipped with a plurality of needle bar, needle bar surface mounting is equipped with the lock seat, lock seat surface rotation connects and is equipped with the actuating arm, the inside slip of mount pad is equipped with the double-end loose pin, the fixed piston pump that is equipped with of mount pad opposite side surface, the transmission of piston pump one side is equipped with the piston rod, and the fixed connecting rod that is equipped with of piston rod one end, and the connecting rod other end and double-end loose pin one end fixed connection.

As a preferable scheme of the utility model, two jumper pin heads are fixedly arranged on the surface of the lower end of the double-head movable pin, and the jumper pin heads and the driving arm are arranged in a vertically corresponding mode.

As the preferable scheme of the utility model, the surface of the mounting seat is provided with a sliding groove, and the double-head movable pin is connected to the inner side of the sliding groove in a sliding manner.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the piston rod is driven to stretch by the piston pump, so that the double-head movable pin is driven by the connecting rod to slide in the chute on the surface of the mounting seat and correspond to the upper end of the driving arm, when the lock seat moves and rises, the upper end of the driving arm is in contact with the surface of the jumper pin head, so that the lock seat is separated from the two needle bars, the jumper pin head can be adjusted to be in contact with the driving arm, and the double-needle jumper mode and the working mode can be switched at will.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

fig. 2 is an overall top view of the present invention.

In the figure: 1. a mounting seat; 2. a connecting rod; 3. a double-ended movable pin; 4. a drive arm; 5. a lock seat; 6. a jumper pin head; 7. a piston pump; 8. a needle bar; 9. a piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, the present invention provides a technical solution:

an embodiment, please refer to fig. 1 and 2, a needle bar switching mechanism of a two-needle sewing machine with a needle skipping function, including a mounting base 1, a plurality of needle bars 8 are slidably mounted inside the mounting base 1, a lock base 5 is mounted on the surface of each needle bar 8, a driving arm 4 is rotatably connected to the surface of each lock base 5, a double-head movable pin 3 is slidably mounted inside the mounting base 1, a piston pump 7 is fixedly mounted on the surface of the other side of the mounting base 1, a piston rod 9 is arranged on one side of the piston pump 7 in a transmission manner, a connecting rod 2 is fixedly mounted at one end of the piston rod 9, the other end of the connecting rod 2 is fixedly connected with one end of the double-head movable pin 3, the piston rod 9 is driven to stretch by the piston pump 7, and thus the double-head movable pin 3 is driven by the connecting rod 2 to slide inside a chute on the surface of the mounting base 1 to correspond to the upper end of the driving arm 4.

In an embodiment, referring to fig. 1 and 2, two jumper pin heads 6 are fixedly disposed on the lower end surface of the double-head movable pin 3, and the jumper pin heads 6 and the driving arm 4 are disposed in a vertically corresponding manner, so that when the lock base 5 moves up, the upper end of the driving arm 4 contacts with the surfaces of the jumper pin heads 6, thereby separating the lock base 5 from the two needle bars 8, and also adjusting the single jumper pin head 6 to contact with the driving arm 4.

In an embodiment, referring to fig. 1 and 2, a sliding groove is formed on a surface of the mounting base 1, and the double-headed movable pin 3 is slidably connected to an inner side of the sliding groove.

The working principle is as follows: during the use, it is flexible to drive piston rod 9 through piston pump 7, thereby it corresponds in the upper end of actuating arm 4 to drive double-end removable pin 3 through connecting rod 2 and slide in the spout on mount pad 1 surface, can make actuating arm 4 upper end and the contact of jumpering pin round pin head 6 surface when lock seat 5 removes to rise, thereby make lock seat 5 and two needle bars 8 all break away from, also can adjust single jumpering pin round pin head 6 and the contact of actuating arm 4, realize the random switching at double-needle jumpering pin mode and double-needle mode of whole needle bar switching mechanism by the control of two jumpering pin round pin tips 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Two needle sewing machine needle bar switching mechanism with two skip needle functions, including mount pad (1), its characterized in that: mount pad (1) inside slidable mounting is equipped with a plurality of needle bar (8), needle bar (8) surface mounting is equipped with lock seat (5), lock seat (5) surface rotation is connected and is equipped with actuating arm (4), mount pad (1) inside slip is equipped with double-end movable pin (3), mount pad (1) opposite side surface is fixed and is equipped with piston pump (7), piston pump (7) one side transmission is equipped with piston rod (9), and piston rod (9) one end is fixed and is equipped with connecting rod (2), and connecting rod (2) other end and double-end movable pin (3) one end fixed connection.

2. The needle bar switching mechanism of the two-needle sewing machine having the two-skip needle function according to claim 1, characterized in that: two jumper pin heads (6) are fixedly arranged on the surface of the lower end of the double-head movable pin (3), and the jumper pin heads (6) are vertically arranged corresponding to the driving arms (4).

3. The needle bar switching mechanism of the two-needle sewing machine having the two-skip needle function according to claim 1, characterized in that: the surface of the mounting seat (1) is provided with a sliding groove, and the double-head movable pin (3) is connected to the inner side of the sliding groove in a sliding mode.